From ed68a01c7401a07294878d234b80e1fede0ad79a Mon Sep 17 00:00:00 2001
From: Carlos Ruiz <carg67@gmail.com>
Date: Tue, 23 Feb 2021 06:04:39 +0100
Subject: [PATCH] IDEMPIERE-4710 NPE in ProcessInfo.getLastServerRebootDate()
 (#603)

* Add logging for possible severe issue
---
 .../src/org/compiere/process/ProcessInfo.java         | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/org.adempiere.base/src/org/compiere/process/ProcessInfo.java b/org.adempiere.base/src/org/compiere/process/ProcessInfo.java
index fa347b1472..23d93577aa 100644
--- a/org.adempiere.base/src/org/compiere/process/ProcessInfo.java
+++ b/org.adempiere.base/src/org/compiere/process/ProcessInfo.java
@@ -31,6 +31,7 @@ import org.compiere.model.MProcess;
 import org.compiere.model.MSession;
 import org.compiere.model.PO;
 import org.compiere.model.Query;
+import org.compiere.util.CLogger;
 import org.compiere.util.DisplayType;
 import org.compiere.util.Env;
 import org.compiere.util.Ini;
@@ -50,7 +51,9 @@ public class ProcessInfo implements Serializable
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -4600747909096993053L;
+	private static final long serialVersionUID = -4648764346588157872L;
+
+	private static final CLogger logger = CLogger.getCLogger(ProcessInfo.class);
 
 	/**
 	 *  Constructor
@@ -920,7 +923,11 @@ public class ProcessInfo implements Serializable
 				.setOnlyActiveRecords(true)
 				.first();
 
-		return lastServerSession != null ? lastServerSession.getCreated() : null;
+		if (lastServerSession == null) {
+			logger.severe("There is no 'Server' record in AD_Session, this can indicate that the server plugin didn't start correctly.  Please verify, this can affect scheduled processes, idempiereMonitor, etc.");
+			return null;
+		}
+		return lastServerSession.getCreated();
 	}
 
 	private IProcessUI processUI;